| 摘要 |
PCT No. PCT/FR90/00174 Sec. 371 Date Jan. 9, 1991 Sec. 102(e) Date Jan. 9, 1991 PCT Filed Mar. 15, 1990 PCT Pub. No. WO90/11390 PCT Pub. Date Oct. 4, 1990.The invention relates to a composite element incorporating a support of an organic, electricity conducting, polyaromatic structure product, such as graphite, covered with a polymer or copolymer of dibenzoethers of formula: <IMAGE> (I) and/or <IMAGE> (II) in which m=0 or 1 to 10, n=0 or 1 to 10, m+n</=10, p=0 or 1 to 6, R1=alkyl or aryl, R2=alkyl or aryl. These elements are usable for absorbing metal cations present in an aqueous or organic solution. |
